This paper summarized professor XU Jingshi's clinical experience in utilizing Gegen （

Radix Puerariae Lobatae

）. He frequently combines Gegen with Zheshi （

Hematitum

） to regulate the ascending and descending movement of

qi

， thereby treating counterflow of stomach

qi

. When paired with Huangqi （

Radix Astragali

）， Gegen serves to tonify

qi

and nourish

yin

， generate fluids and moisten dryness， used for

qi

-

yin

deficiency syndrome. Gegen is also applied flexibly in prescription formulations. For instance，

Gezhi Sanren Decoction

（葛枳三仁汤） is used to treat ulce-rative colitis. Gegen combined with

Wendan Decoction

（温胆汤） and

Banxia Baizhu Tianma Decoction

（半夏白术天麻汤） is frequently employed for dizziness. For diabetic pruritus，

Xu's Jianpi Xiaoyang Decoction

（徐氏健脾消痒汤） can be used. For rheumatoid arthritis， Gegen with

Guizhi Shaoyao Zhimu Decoction

（桂枝芍药知母汤） is utilized. For biliary-cardiac syndrome，

Xiaohua Funing Decoction

（消化复宁汤） combined with Gegen is suggested.